Suddenly my K3 #2425 gives me a ERR 12V error every time I turn the power up to the point that the 100W amp kicks in. What is the likely fault here?? Allen Brier N5XZ / KL5DX 1515 Windloch Lane Richmond, TX 77406-2553 281-342-1882 713-705-4801 (Cell) n5xz at arrl.net